Whenever you have problems with conflicting characters in Ansible, a rule of thumb is to output them as a string in a Jinja expression. So instead of {{ you would use {{ ‘{{‘ }}: – debug: msg=”docker inspect –format ‘{{ ‘{{‘ }} .NetworkSettings.IPAddress {{ ‘}}’ }}’ instance1″ Topic “Escaping” in the Jinja2 docs.
You could use loop.index: {% for i in p %} {{ loop.index }} {% endfor %} Check the template designer documentation. In more recent versions, due to scoping rules, the following would not work: {% set count = 1 %} {% for i in p %} {{ count }} {% set count = count + … Read more
Jinja2 has no support for comments within a {{ … }} statement. You can only use comments outside of such statements, and then only with {# .. #} or ## comment. {# .. #} is only meant for disabling part of a template or adding comments outside of other Jinja2 syntax. You can’t nest these. … Read more
Use the jinja2 {% include %} directive. {% extends ‘template.html’ %} {% block content %} {% if task == ‘content1’ %} {% include ‘content1.html’ %} {% endif %} {% if task == ‘content2’ %} {% include ‘content2.html’ %} {% endif %} {% endblock %} This will include the content from the correct content-file.
As of version 2.6, Jinja2’s built-in sort filter allows you to specify an attribute to sort by: {% for movie in movie_list|sort(attribute=”rating”) %} See http://jinja.pocoo.org/docs/templates/#sort
You can disable interpretation of tags inside a {% raw %} block: {% raw %} Anything in this block is treated as raw text, including {{ curly braces }} and {% other block-like syntax %} {% endraw %} See the Escaping section of the template documentation.
After coming back to my own question after 5 year and seeing so many people found this useful, a little update. A string variable can be split into a list by using the split function (it can contain similar values, set is for the assignment) . I haven’t found this function in the official documentation … Read more
Data: parent_list = [{‘A’: ‘val1’, ‘B’: ‘val2’}, {‘C’: ‘val3’, ‘D’: ‘val4’}] in Jinja2 iteration: {% for dict_item in parent_list %} {% for key, value in dict_item.items() %} <h1>Key: {{key}}</h1> <h2>Value: {{value}}</h2> {% endfor %} {% endfor %} Note: Make sure you have the list of dict items. If you get UnicodeError may be the value … Read more
You have by default the static endpoint for static files. Also Flask application has the following arguments: static_url_path: can be used to specify a different path for the static files on the web. Defaults to the name of the static_folder folder. static_folder: the folder with static files that should be served at static_url_path. Defaults to … Read more
you can use TEMPLATES_AUTO_RELOAD = True From http://flask.pocoo.org/docs/1.0/config/ Whether to check for modifications of the template source and reload it automatically. By default the value is None which means that Flask checks original file only in debug mode.